Records of the Geological Survey of India, Volume 114, Part 5The Survey, 1982 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 29
... quartzite bands are also help- ful in recognising the primary layering . Foliation : Garnetiferous sillimanite gneiss and calc - silicate rocks show well - developed foliation . The foliation is generally parallel to the primary ...
... quartzite bands are also help- ful in recognising the primary layering . Foliation : Garnetiferous sillimanite gneiss and calc - silicate rocks show well - developed foliation . The foliation is generally parallel to the primary ...
Page 34
... quartzite Kyanite quartzite with or without fuchsite Coarse to medium grained quartzites occur SE and SW of Adur R.F. and Mandekolu ( Kavadinkana ) R.F. hillocks . They are dark to light grey in colour . Some of these are partly crushed ...
... quartzite Kyanite quartzite with or without fuchsite Coarse to medium grained quartzites occur SE and SW of Adur R.F. and Mandekolu ( Kavadinkana ) R.F. hillocks . They are dark to light grey in colour . Some of these are partly crushed ...
Page 83
... quartzite ) , green sillimanite - quartzite , kynophyllite- quartzite , green garnets , diopside , enstatite , scapolite . lolite , andalusite ( cross - stones ) and garnet . Ruby and sapphire ( including asterated types ) , emerald ...
... quartzite ) , green sillimanite - quartzite , kynophyllite- quartzite , green garnets , diopside , enstatite , scapolite . lolite , andalusite ( cross - stones ) and garnet . Ruby and sapphire ( including asterated types ) , emerald ...
Contents
A genetic model for the Sandur manganese ores RN Mishra | 10 |
A note on the intertrappean stratigraphy of Gandhari Kamareddi and Ramayampet areas Nizamabad 19 | 19 |
On the high grade schistose rocks equivalent to the Sargur schist complex in Kasaragod taluk | 31 |
Copyright | |
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alteration Andhra Pradesh anorthosite anorthositic rocks apatite Archaean ascomata Attapadi Barakar Formation bauxite bauxite deposits belt biotite borehole Cannanore Cannanore district charnockite Chlorite chrysoberyl clay coal seams coal-sand ratio colour contours corundum Cuddapah Basin diopside emerald Ephesite facies feldspar fibrous quartz foliation fossil gabbro garnet garnetiferous sillimanite gneiss gem tracts gemstones Geol Surv Ind Geological Survey gneiss grains granite granulite green high grade hornblende idiomorphic magnetite crystals Intertrappean bed iolite iron isopach Jour Geol Kabbani Karnataka Kerala Krishna kyanite laterite lignite lineament lithofacies lithological magnetite manganese Margarite massif metamorphism migmatite minerals moonstone Mysore Nair number of coal occur ostiole pegmatite Perinthatta plagioclase planation surfaces pollen pyroxene quartz quartzite Ramanujam ratio map regional ruby samples sand Sandur sapphire Schist sedimentary sediments sillimanite South southern strand plain stratiform stratigraphic Survey of India taluk Tamil Nadu tectonic Tertiary thickness trend upto Warkalli Wynad zircon